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Purification, crystallization and preliminary X-ray diffraction analysis of human phosphoserine phosphatase
Yves Peeraer1, Anja Rabijns, Christel Verboven
1Laboratory for Analytical Chemistry and Medicinal Physicochemistry, Faculty of Pharmaceutical Sciences, K. U. Leuven, E. Van Evenstraat 4, B-3000 Leuven, Belgium.
Acta Crystallographica. Section D, Biological Crystallography
|December 26, 2001
Abstract:
Phosphoserine phosphatase (PSP), a human enzyme involved in the L-serine biosynthesis pathway, has been crystallized using the hanging-drop vapour-diffusion method at 277 K. The crystals are orthorhombic, belonging to space group C222(1), with unit-cell parameters a = 49.03 A, b = 130.25 A, c = 157.29 A. Calculation of the Matthews coefficient indicates that there are two molecules in the asymmetric unit. A complete native data set to a resolution of 1.53 A has been collected at 100 K using synchrotron radiation.